R help - Apr 2003 - memory problem

Hi,
I am running R 1.6.2 with a PC (CPU Athlon 1.9+, 1 Go RAM, Win XP) and I 
wonder if it is normal to obtain this when you launch R:
> memory.size()
[1] 10168016
> memory.limit()
[1] 1073201152
> ls()
character(0)

and if I do:
> rm()
> memory.size()
[1] 10180320
> memory.limit()
[1] 1073201152

I am asking that because I m using the Bioconductor / Affy package and when I 
run 
> library(affy)
> data<-ReadAffy()
Error: cannot allocate vector of size 69308 Kb 
I am ouf of memory with 35 chips despite few days ago it was ok with 38 chips 
!

Thanks for any help
Philippe

 

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